| 1 | /* -*- c -*- |
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| 2 | * linux/include/linux/auto_fs4.h |
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| 3 | * |
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| 4 | * Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org> |
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| 5 | * |
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| 6 | * This file is part of the Linux kernel and is made available under |
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| 7 | * the terms of the GNU General Public License, version 2, or at your |
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| 8 | * option, any later version, incorporated herein by reference. |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef _LINUX_AUTO_FS4_H |
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| 12 | #define _LINUX_AUTO_FS4_H |
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| 13 | |
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| 14 | /* Include common v3 definitions */ |
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| 15 | #include <linux/auto_fs.h> |
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| 16 | |
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| 17 | /* autofs v4 definitions */ |
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| 18 | #undef AUTOFS_PROTO_VERSION |
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| 19 | #undef AUTOFS_MIN_PROTO_VERSION |
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| 20 | #undef AUTOFS_MAX_PROTO_VERSION |
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| 21 | |
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| 22 | #define AUTOFS_PROTO_VERSION 4 |
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| 23 | #define AUTOFS_MIN_PROTO_VERSION 3 |
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| 24 | #define AUTOFS_MAX_PROTO_VERSION 4 |
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| 25 | |
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| 26 | #define AUTOFS_PROTO_SUBVERSION 6 |
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| 27 | |
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| 28 | /* Mask for expire behaviour */ |
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| 29 | #define AUTOFS_EXP_IMMEDIATE 1 |
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| 30 | #define AUTOFS_EXP_LEAVES 2 |
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| 31 | |
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| 32 | /* New message type */ |
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| 33 | #define autofs_ptype_expire_multi 2 /* Expire entry (umount request) */ |
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| 34 | |
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| 35 | /* v4 multi expire (via pipe) */ |
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| 36 | struct autofs_packet_expire_multi { |
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| 37 | struct autofs_packet_hdr hdr; |
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| 38 | autofs_wqt_t wait_queue_token; |
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| 39 | int len; |
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| 40 | char name[NAME_MAX+1]; |
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| 41 | }; |
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| 42 | |
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| 43 | union autofs_packet_union { |
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| 44 | struct autofs_packet_hdr hdr; |
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| 45 | struct autofs_packet_missing missing; |
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| 46 | struct autofs_packet_expire expire; |
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| 47 | struct autofs_packet_expire_multi expire_multi; |
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| 48 | }; |
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| 49 | |
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| 50 | #define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int) |
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| 51 | #define AUTOFS_IOC_PROTOSUBVER _IOR(0x93,0x67,int) |
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| 52 | #define AUTOFS_IOC_ASKREGHOST _IOR(0x93,0x68,int) |
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| 53 | #define AUTOFS_IOC_TOGGLEREGHOST _IOR(0x93,0x69,int) |
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| 54 | #define AUTOFS_IOC_ASKUMOUNT _IOR(0x93,0x70,int) |
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| 55 | |
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| 56 | |
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| 57 | #endif /* _LINUX_AUTO_FS4_H */ |
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